diff --git a/source/tools/detect/sched/sysmonitor/sysmonitor.sh b/source/tools/detect/sched/sysmonitor/sysmonitor.sh
index 19084ae734ac1fbbbd895d7d0ed5652c56db0c3d..89a56e54383405c3eb87ce76439f61d4841e2fc5 100755
--- a/source/tools/detect/sched/sysmonitor/sysmonitor.sh
+++ b/source/tools/detect/sched/sysmonitor/sysmonitor.sh
@@ -35,6 +35,23 @@ monitor() {
 	done
 }
 
+validate_option_m() {
+       local input=$1
+
+       if [[ $input =~ ^[0-9]+([.][0-9]+)?$ ]]; then
+               if (( $(bc <<< "$input >= 0 && $input <= 100") == 1 )); then
+                       return 0
+               else
+                       echo "Only the range of 0 to 100 is valid in: -m "
+                       return 1
+               fi
+       else
+               echo "Only the positive integer or floating-point number is valid in: -m "
+               return 1
+       fi
+}
+
+
 while getopts 'm:f:c:i:lh' OPT; do
 	case $OPT in
 		"h")
@@ -42,7 +59,11 @@ while getopts 'm:f:c:i:lh' OPT; do
 			exit 0
 			;;
 		"m")
-			maxsys=$OPTARG
+			if validate_option_m $OPTARG; then
+				maxsys=$OPTARG
+			else
+				exit 1
+			fi
 			;;
 		"f")
 			datafile=$OPTARG